You’ve probably noticed that everywhere you go — the doctor’s office, hotels, or retail shops, there are tiny PCs everywhere.

A computer power supply converts AC into multiple DC voltages. For example, 12 volts is commonly used for drives, while 3.3v and 5v are used by the chips and other motherboard components.

If your computer doesn’t require 750W, consider the less-powerful but less-expensive SF600 or SF400. Though this Corsair power supply will be more powerful than most gamers need, the Corsair ...

like those used in any modern computer is that they’re more efficient at higher AC input voltages. Power supply efficiency at different input voltages. (Credit: HP) This can be seen clearly when ...

The Power Supply Unit, or PSU, is a component of your computer that provides electricity to the rest of the components in your computer. This term was viewed 10,470 times.

Looking for a quick fix for their fast-growing electricity diets, tech giants are increasingly looking to strike deals with ...

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...

Power supply issues are the main cause of this problem. If your computer or printer is not directly connected to the main power source, say they are connected through a UPS, the UPS might be faulty.